All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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SB Tactical HK UMP Side Folding Pistol Stabilizing Brace - Black
SB Tactical
$74.95SB Tactical HK UMP Side Folding Pistol Stabilizing Brace - Black A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to...HKP-19133$74.95 -
Sale
Shield Sights HK SP5 Mini Sight and Mount - 8MOA - Poly Lens
Shield Sights
Now: $259.95Was: $349.95Shield Sights HK SP5 Mini Sight and Mount - 8MOA - Poly Lens Includes: Mount Features: Light source: Red light emitting diode (LED) No laser; completely eye safe No radioactive materials Red dot size: 8 MOA dot Lens: Poly, reflex x1 (no...HKP-20553Now: $259.95Was: $349.95 -
B&T .45 ACP Flash Hider - 3-Lug
B&T Brugger & Thomet
$164.95B&T .45 ACP Flash Hider - 3-Lug B&T Switzerland has supplied these to law enforcement and military units around the world. Rock solid, mil-spec quality from an H&K OEM manufacturer. This flash hider slips over the end of the 3-lug barrel and...HKP-18346$164.95 -
B&T HK MP5 Folding Stock with HK Parts Adapter
B&T Brugger & Thomet
$299.95B&T Folding Stock for All MP5 Full Size Variants Swiss made B&T folding stock completely assembled With our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Compatible With: MP5 (NOT...HKP-20216$299.95 -
Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group
FA Franklin Armory
$879.95Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is...HKP-20928-M$879.95 -
Geissele HK 416 Super Modular M-LOK 14.5" Rail - Black
Geissele
$499.95Geissele HK 416 Super Modular M-LOK 14.5" Rail - Black The Super Modular Rail HK416 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength,...HKP-19806$499.95 -
H&K MP5,94 & 93,33 Fixed Wood Stock
H&K Heckler & Koch
$399.95H&K MP5,94 & 93,33 Fixed Wood Stock Never before has there been a commercially available wooden stock for the HK 93 & MP5 series of firearms. The wood stock is a factory surplus walnut stock incorporated with the factory 93/33 buffer assembly...HKP-16328$399.95 -
H&K 30 Round HK MP5 Subsonic Labeled Magazine
H&K Heckler & Koch
$83.00H&K 30 Round HK MP5 Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Heckler & Koch German magazine 9mm 30 round curved all steel magazine. German HK...HKP-20828$83.00 -
Out Of Stock
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - OD Green
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - OD Green Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the...HKP-19973$99.95 -
H&K HK 416 Battle Grip With Tools - RAL 8K
H&K Heckler & Koch
$159.95H&K 416/417 & MR556/762 Battle Grip With Tools - RAL 8000 HK German battle grip with HK tools stowed in the grip's storage compartment. Finish your HK build with our favorite grip or upgrade your AR-15 platform. Compatible With: HK...HKP-21462$159.95 -
H&K HK G36 Backplate w/ Recoil Buffer
H&K Heckler & Koch
$79.95HK G36 Backplate With Recoil Buffer This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix Kid.HKP-01058$79.95 -
H&K HK MR556/416 Magazine Catch
H&K Heckler & Koch
$49.95HK 416, MR556 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms.HKP-15458$49.95 -
H&K HK P30SK/P2000SK Hammer Spring
H&K Heckler & Koch
$9.95HK German Hammer Spring This spring is used with LEM and all standard models. Compatible With: P2000SK P30SKHKP-02598$9.95 -
H&K MP5 9mm Magazine Locking Plate - Red
HKP HK Parts
$7.95HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the locking plate to a red unit. A great...HKP-18303$7.95 -
H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, knicks and dings. Each housing is in perfectly useable condition and each unit has been...HKP-19850$99.95 -
H&K Spare Parts Kit Pouch
H&K Heckler & Koch
$9.95H&K Spare Parts Kit Pouch Empty pouch for spare parts or other suppliesHKP-20620$9.95 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear Spring
H&K Heckler & Koch
$8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.HKP-01866$8.95 -
H&K USP Detent Plate Variant 5, 6, 9 & 10
H&K Heckler & Koch
$19.95HK Detent Plate For USP Variant 5, 6, 9, & 10 Conversions This plate, when installed, will allow you to have the "safety" only and NO decock function on your pistol. This plate will fit and work for both left-hand and right-hand setups. Compatible...HKP-01247$19.95 -
HDPS HK USC (.45 ACP) Faux Sound Suppressor
HDPS
$180.99HDPS HK USC (.45 ACP) Faux Sound Suppressor New second-gen, latest production HDPS Faux Sound Suppressor for the HK USC (Kit includes the Faux Sound Suppressor, lower rail, and screws) This integral one-piece design is milled from a solid...HKP-02369$180.99 -
HKP HK 91/G3 (7.62x51/.308) Fixed Stock Complete with Enhanced Heavy Buffer - Black
HKP HK Parts
$279.95New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Heavy Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one U.S...HKP-18937$279.95 -
HKP HK G3 Operator Depot Level Repair Manual
HKP HK Parts
$23.95HKP HK G3 Operator Depot Level Repair Manual This is an older repair manual and the difference is the sections on field and depot repair. This manual has 124 pages, 35 pages of explanations, instructions, and pictures of the depot-level repair and...HKP-15223$23.95 -
HKP HK G36C Barrel Front End Kit
HKP HK Parts
$889.95G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...HKP-18228$889.95 -
Out Of Stock
HKP HK UMP (.40 S&W/.45 ACP/9mm) Enhanced Mag Release - Billeted
HKP HK Parts
$24.95HK UMP Paddle Magazine Release - Enhanced This is a very common replacement part as they are fairly easy to break on the UMP lower. With this new mag release, you'll get a wider release as well as a much more durable part. Simple & easy to install no...HKP-18758$24.95 -
HKP HK VP9 Optics Plate #6 Sig Romeo 1
HKP HK Parts
$44.95HK VP9 Series Optics Plate #6 - Sig Romeo 1 - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 Series Optic Ready model.New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of ordnance...HKP-19545$44.95 -
HKP HK VP9/VP9SK, HK VP40 Axle For Trigger Safety Latch
HKP HK Parts
$3.95Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SKHKP-16778$3.95 -
HKP HK VP9SK Low Profile Magwell - Black
HKP HK Parts
$59.95HKP HK VP9SK Low Profile Magwell Low profile, every day carry magwell for the HK VP9SK pistol. For those that would like the enhancements and competitive advantage a mag well offers without the bulk of the larger competition magwell. Funnels mags...HKP-21456$59.95 -
HKP MP5 40/10 Receiver Flat
HKP HK Parts
$399.95MP5 40 & MP5 10mm Reciever Flat - USA The new and latest production with the weldment locations is already lasered and ready to go. This flat is the finest available for the MP5 40/10 family of firearms. Compatible With: MP5 .40 Cal MP5 10mm MP5 ...HKP-00767$399.95 -
HKP Registered Sear Pack - Retimed Hammer
HKP HK Parts
$198.95HKP Registered Sear Pack - Retimed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...HKP-00153$198.95 -
Kinetic Development Group HK USC Conversion to ACR Stock Upgrade - FDE
$459.95HK USC-UMP ACR Stock Adapter & ACR Stock Combo - Brown A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and...HKP-19845$459.95 -
MFI PTR (.556/.223) G28 Style Flash Hider - Threaded 5/8x24 RH
MFI
$79.95MFI PTR (5.56/.223) G28 Style Flash Hider - Threaded 5/8x24 RH The G28 2nd Gen flash hider is designed for 2016 and later PTR production models, as well as other firearms with 5/8x24 threaded barrels. This flash hider features a deep counter...HKP-17940$79.95 -
RCM HK P30L 9mm Tactical Barrel - Threaded 13.5x1 LH
RCM
$189.95RCM HK P30L 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30L 9mm pistol,...HKP-16258$189.95 -
RCM HK45 .45 ACP Tactical Barrel - Threaded .578x28 RH
RCM
$254.95RCM HK45 .45 ACP Tactical Barrel - Threaded .578x28 RH HK45 & HK45 Tactical threaded barrel compatible with a variety of flash hiders and sound suppressors. Unlike the factory HK45 Tactical barrel, which has a metric 16x1 LH thread, this barrel...HKP-17446$254.95 -
SB Tactical HK MP5K & SP5K SBA3 5 Position Adjustable Stabilizing Brace - Black
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5K / SP5K The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an...HKP-20277$269.95 -
Sale
ETS Glock 18 31-Round 9mm Magazine - Translucent
Elite Tactical Systems
Now: $12.95Was: $21.95ETS Glock 18 31-Round 9mm Magazine - Translucent Features: Standard 31-round capacity Compatible with Glock and aftermarket floorplates Easy disassembly with our specially designed baseplate Ergonomically designed floorplate makes it easy to grab from...HKP-18767Now: $12.95Was: $21.95 -
H&K 12 Round HK P2000/USPC .40 S&W Magazine Housing
H&K Heckler & Koch
$29.95H&K 12 Round HK P2000/USPC .40 S&W Magazine HousingHKP-16538$29.95 -
H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used
H&K Heckler & Koch
$4.95H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Great for spares as this is a common breakage part.HKP-16711$4.95 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Good
H&K Heckler & Koch
$17.45Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm length HK 91, G3, PTR style firearmsHKP-18316$17.45 -
H&K Burst Eccentric Bushing
H&K Heckler & Koch
$54.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...HKP-02647$54.95 -
H&K G36 (5.56/.223) 4 Position Retractable Stock - Folding
H&K Heckler & Koch
$349.95HK G36, G36k, G36C, & SL8 Conversion Rear Stock Assembly The G36 KV stock, as it is known, was built by HK for a military contract and is built HK tough with an overall length of 8.5 inches (fully collapsed) to 11.40 inches when fully extended. Each...HKP-02682$349.95 -
H&K HK 45/P30/P2000/USPC Recoil Spring Washer Retainer
H&K Heckler & Koch
$4.95HK 45, P30, P2000, & USPC Recoil Spring Washer Retainer This disk supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK45, HK45 Tactical HK45 Compact, HK45 Compact Tactical USP Compact, USP...HKP-02428$4.95